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Core Java® Volume II—Advanced Features, Ninth Edition by Gary Cornell, Cay S. Horstmann

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9.6.2. Software Developer Certificates

Up to now, we discussed scenarios in which programs are delivered in an intranet and for which a system administrator configures a security policy that controls the privileges of the programs. However, that strategy only works with programs from known sources.

Suppose that while surfing the Internet, you encounter a web site that offers to run an applet or Web Start application from an unfamiliar vendor, provided you grant it the permission to do so (see Figure 9.15). Such a program is signed with a software developer certificate issued by a CA. The pop-up dialog box identifies the software developer and the certificate issuer. You now have two choices:

Figure 9.15. Launching a signed applet

• Run the ...

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